Fort Worth daily gazette. (Fort Worth, Tex.) 1882-1891, 1887-05-22
POPULAR SCIENCE.
Facts of Various Kinds tor People of a
Thoughtful Turn.

tacts or various Kinds tor People of
Thoughtful Turn.
| Benzine may be mixed with turpentfne
in the mixture of paints with advantage
1t helps to dry the paint quickly and adds
to its durability.
| DOormsts made from scrap leather
made into links and strung on metal
wires are E novelty. The apr earance Of
these mats is good, while they are at the
same time flexible, durable and afford g
| firm footing.
a hinged lamp-post has lately been de
/ Ylsed. 1t has the advantage that no lad
I der is required to enable it to be cleaned
and repaired, and it can also be lighted
by bending it over, the Ismp-lighter car
Tying a key for the purpose
The danger of infection from the pro-
miscuous use of the mouthpieces Of tele-
phones is attracting attention. 1t is
recommended inst the mouthpiece be
disinfected every time after using by
means OF disinfecting fluid kept 81
every telephone station for the purpose.
At the American Exhibition in London
| there is exhibited fre-proOf and water
proof villa composed entirely of straw.
Every part of 1T, from the foundations to
the chimneys, is of straw compressed to
form artificial wood.
1t is common practice IN France to
coat the beams, the joists and the under
side of the flooring of buildings with 3
thick coating of lime-Wash as q safe
guard against fire. It is a preventive
of prime ignition, although it will not
check fire when once under Roadway.
a Chinaman is stated to have discover
cd hat
cutters steel. The wrought iron of the
shoe having been constantly hammered
acquires the hardness of steel. It is also
supposed that the animal heat Of the
hoof has something to do with it. The
metal is said to be good for the maufac-
ture of knives and sWOrd-blades.
M Frenzy has read q paper at the
French Academy Of Sciences describing
the successful researches made BIZ him,
with NJ. Verneuti's assistance, for obtain
ing artificial rubies. BY letting aIumina
dissolve in fiuoride of calcium ne obtained
crystals of alumina-thst is to say, per
feet rubies, defying the closet scrutiny,
and even higher in value than natural
stones. They can be made OF I1rge size.
"Pogonlp" is said 20 be the name given
Oy mountaineers of Nevada 20 9 sort of
frozen fog thst srpeaTs sometimes in win
ter, even on the Clearest ana brightest OF
days. In an instant the air is filed with
floating needles ot ice. To breathe the
pOg0nip is death TO the lungs When !.
comes people rush to cover. The Indians
dread 1t as much as the whites. 1t ap-
pears TO be caused by the sudden freezing
in the air Of the moisture which collects
about the submits of the high peaks.
A reliable cement, one that will resist
the action of water and acids, especially
acetic acid, is Finely powdered litharge,
tiAe dry white sand and plaster of paris,
each three quarts by measure, finely pull
verified resin one part. MIX and make
into paste with boiled llnseed oil, TO
(which little drier has been added, and
5et it stand for four or five hours before
using. After fifteen hours standing il
loses strength. The cement is said TO
have been successfully used in the Zoo
logical Gardens, London.
:, Ar Eaaa;shf gardener states that the
5tetsef trees may be prevented from en-
seFing between the joints of drain tiles
using caea-tar. In using it mix it with
sasSs4sfs the consistency OF ordinary
bufrsdEss mortar. A layer of this should
be spread on the bottom of the drain: on
this set the drain pipes, and then cover
all over with the tar-mOrtar. If the work
be carefully performed and the mortar
applied in sufficient quantity-sey an inch
and half thick ell round-success msv
be guaranteed.